.magnifier{
    display: flex;
}
.magnifier .img{
    width: 394px;
    height: 295px;
    position: relative;
    background: url(./img/small.jpg) no-repeat;
    margin-right: 50px;
}
.magnifier .mask{
    width: 100px;
    height: 100px;
    background:rgba(255, 255, 0, 0.5);
    position: absolute;
    top: 0;
    left: 0;
    display: none;
}
.magnifier .enlarge{
    width: 200px;
    height: 200px;
    background: url(./img/big.jpg) no-repeat;
    background-position: 0px 0px;
    display: none;
}